[U-Boot] [PATCH v5 4/6] mx53loco: Add support to dynamically choose between fdt use or not

[Liu Hui-R64343]

>-----Original Message-----
>From: u-boot-bounces at lists.denx.de [mailto:u-boot-bounces at lists.denx.de]
>On Behalf Of Otavio Salvador
>Sent: Wednesday, January 09, 2013 7:58 PM
>To: U-Boot Mailing List
>Cc: Estevam Fabio-R49496; Otavio Salvador
>Subject: [U-Boot] [PATCH v5 4/6] mx53loco: Add support to dynamically
>choose between fdt use or not
>
>Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
>---
>Changes in v5:
>- Change subject
>- Reword the warning
>
>Changes in v4:
>- Use a warning, instead of error when failing to fetch fdt
>- Drop exit use
>- Fix netboot
>- Use fdt instead of ftd
>
>Changes in v3:
>- Add loadfdt
>- Use loadfdt
>- Call exit to abort script
>
>Changes in v2:
>- Allow use of dynamic/static ip
>- Allow force use, or not, of fdt
>- Change 'auto' to 'try'
>
> include/configs/mx53loco.h |   40
>++++++++++++++++++++++++++++++++++++++--
> 1 file changed, 38 insertions(+), 2 deletions(-)

Acked-by: Jason Liu <r64343 at freescale.com>

>
>diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h index
>996396b..cbc3a82 100644
>--- a/include/configs/mx53loco.h
>+++ b/include/configs/mx53loco.h
>@@ -119,6 +119,10 @@
> #define CONFIG_EXTRA_ENV_SETTINGS \
> 	"script=boot.scr\0" \
> 	"uimage=uImage\0" \
>+	"fdt_file=imx53-qsb.dtb\0" \
>+	"fdt_addr=0x71000000\0" \
>+	"boot_fdt=try\0" \
>+	"ip_dyn=yes\0" \
> 	"mmcdev=0\0" \
> 	"mmcpart=2\0" \
> 	"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \ @@ -128,15 +132,47
>@@
> 	"bootscript=echo Running bootscript from mmc ...; " \
> 		"source\0" \
> 	"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr}
>${uimage}\0" \
>+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr}
>${fdt_file}\0" \
> 	"mmcboot=echo Booting from mmc ...; " \
> 		"run mmcargs; " \
>-		"bootm\0" \
>+		"if test ${boot_fdt} = yes; then " \
>+			"if run loadfdt; then " \
>+				"bootm ${loadaddr} - ${fdt_addr}; " \
>+			"else " \
>+				"if test ${boot_fdt} = try; then " \
>+					"bootm; " \
>+				"else " \
>+					"echo WARN: Cannot load the DT; " \
>+				"fi; " \
>+			"fi; " \
>+		"else " \
>+			"bootm; " \
>+		"fi;\0" \
> 	"netargs=setenv bootargs console=ttymxc0,${baudrate} " \
> 		"root=/dev/nfs " \
> 		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
> 	"netboot=echo Booting from net ...; " \
> 		"run netargs; " \
>-		"dhcp ${uimage}; bootm\0" \
>+		"if test ${ip_dyn} = yes; then " \
>+			"setenv get_cmd dhcp; " \
>+		"else " \
>+			"setenv get_cmd tftp; " \
>+		"fi; " \
>+		"${get_cmd} ${uimage}; " \
>+		"if test ${boot_fdt} = yes; then " \
>+			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
>+				"bootm ${loadaddr} - ${fdt_addr}; " \
>+			"else " \
>+				"if test ${boot_fdt} = try; then " \
>+					"bootm; " \
>+				"else " \
>+					"echo ERROR: Cannot load the DT; " \
>+					"exit; " \
>+				"fi; " \
>+			"fi; " \
>+		"else " \
>+			"bootm; " \
>+		"fi;\0"
>
> #define CONFIG_BOOTCOMMAND \
> 	"mmc dev ${mmcdev}; if mmc rescan; then " \
>--
>1.7.10.4
>
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